Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4XMT callsign genealogy
Currently held by SANYAL, ARNAB T
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K4XMT's current licensee, walking backwards.
- SANYAL, ARNAB TMDgranted 2019-05-13cancelled 2019-05-31
Successor callsigns
Callsigns held now by people who previously held K4XMT.
No current licensee on record previously held this callsign.